We don't have time to discuss "what is extreme, superficial, fundamental". The tone of your responses shows that you focus on own confirmation bias rather than open judgement of differences and their significance. There are many ways to sort Wikipedia facts. Some specific sorts would be optimal to see capably where the world is "stretching" now - but it is too costly for us to debate this fully academically. Nor we are qualified, or determined to have actual impact.

It is only since recently that I consider historical-social-religous-psychological backlashes against progress, enlightenments seriously. Here I have an occassion to share newly informed contemplations. But my time is limited, so I am not on a big educational mission.

To me, "political demand" versus "zealous supply" is a significant distinction. As for Sunni caliphate aspirations, I refer to this acclaimed Atlantic article for a start: "What ISIS Really Wants"